Don’t miss this handy freebie: a perpetual birthday calendar that’s perfect for keeping track of birthdays and other spe ...

This third edition, a cherished relic from 1995, not only holds a special place in my heart but also connects me to a shared experience with you, the reader.

Just when you think you’ve seen them all, someone comes up with something new and unusual, like the concentric rings of this automated perpetual calendar. What we really like about the design ...